Blackview OSCAL Marine 2 vs Unihertz 8849 Tank 4

At a glance

Brand: Blackview; Unihertz
Release date: March 2025, 1 years 2 months ago; October 2025, 7 months ago
AnTuTu: 355.769 Antutu v10 Overall performance better than 64% of devices; 711.190 Antutu v10 Overall performance better than 78% of devices

Size: 6.56"; 6.78"
Resolution: 720 x 1612 px HD+; 1200 x 2650 px QHD
Type: LCD IPS; AMOLED
Density: 269 ppi Medium Density; 429 ppi Very high density
Aspect ratio: 20:9; 21:9
Features: Water Drop Notch, Refresh rate 90 Hz, Brightnes 400 cd/m² (typ), Scratch resistant, Dragontrail glass, Corning Gorilla Glass 5, Panda glass, Capacitive, Multi-touch; Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell

Chipset: Unisoc Tiger T615 (T7250); MediaTek Dimensity 7300 Ultra
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 4 nm
Frequency: 1.8 GHz; 2.5 GHz
GPU: Mali-G57 MP1; Mali-G615 MC2
RAM: 4 GB; 12 GB
RAM type: LPDDR4X RAM; RAM LPDDR5X
64-bit: Yes; Yes

Resolution: 16 Mpx; 50 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.88
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Dual camera, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Vision
Sensor: —; Samsung GN1
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.31"

Dimensions: 83.1 mm 179.8 mm 18.3 mm Print 3D Model; 85.4 mm 174.3 mm 23.9 mm Print 3D Model
Weight: 395 g; 538 g
Materials: Rugged Smartphone, Polycarbonate; Polycarbonate
Colors: Black Yellow Orange; Black
Water/dust resistance: IP68, IP69 , MIL-STD-810H; IP68, MIL-STD-810H
Drop resistance: Class A B C D E 180 drops without defects; Class A B C D E 90 drops without defects
Repairability: Class A B C D E; Class A B C D E
Usable surface: 72 %; 75 %

Operating system: Android 14 Upside-down cake Doke OS4.0 (Android 14); Android 15 Android 15
Google services: With Google Mobile Services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.0; Bluetooth 5.3 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo

4G LTE: B3 (1800), B5 (850), B7 (2600), B8 (900), B19 (800), B20 (800), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
3G: B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500)